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Symptoms - Seat Heating and Cooling

Symptoms - Seat Heating and Cooling


Important

The following steps must be completed before using the symptom tables.



1. Perform the Diagnostic System Check - Vehicle before using the symptom tables in order to verify that all of the following are true:

• There are no DTCs set.

• The control module(s) can communicate via the serial data link.

2. Refer to the system description and operation from the following list in order to familiarize yourself with the system functions:

• Rear Heated Seats Description and Operation

• Heated/Vented Seat Description and Operation


Visual/Physical Inspection


• Inspect for aftermarket devices which could affect the operation of the power seats. Refer to Checking Aftermarket Accessories .

• Inspect for easily accessible or visible system components for obvious damage or conditions which may cause the symptom.

• Inspect the seat adjuster track for conditions which may cause binding or objects within the seat adjustment range which obstruct movement or interfere with wiring.


Intermittent

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections .

Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:


• Front Heated Seat Malfunction (With Memory A45) Front Heated Seat Malfunction (Without Memory A45)

• Rear Heated Seat Malfunction

• Vented Seat Malfunction (With Memory A45) Vented Seat Malfunction (Without Memory A45)